Mother told Jim to watch the milk until it boiled and then _________ off the gas.
A. turn B. turning C. turned D. having turned
The idea puzzled me so much that I stopped for a few seconds to try to _______.
A. make it out B. make it off C. make it up D. make it over
With exports ______ a big role in its economic growth, China has been affected by the current financial storm.
A. playing B. to play C. played D. play
— How about buying Sam a mobile phone? After all, he isn’t a boy any more.
—I think it necessary, for we sometimes want to make sure if he _______ home for dinner.
A. will come B. comes C. has come D. would come
The young man, ______ several attempts to beat the world record in high jumping, decided to have another try.
A．to make B．making C．made D．having made
It was ________ was a waste land ten years ago _______ a modern city has been set up on.
A. which; where B. where; that C. what; that D. that; which
